Merge branch 'add-framework-for-selftests-in-devlink'

Vikas Gupta says:

====================
add framework for selftests in devlink

Add support for selftests in the devlink framework.
Adds a callback .selftests_check and .selftests_run in devlink_ops.
User can add test(s) suite which is subsequently passed to the driver
and driver can opt for running particular tests based on its capabilities.

Patchset adds a flash based test for the bnxt_en driver.
====================

Link: https://lore.kernel.org/r/20220727165721.37959-1-vikas.gupta@broadcom.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>